Overview
Enviro Testers NH3 meter with portable micro clip – high concentration protection has a micro clip and a large LCD. The instrument has audio/visual and vibratory indicators, a rechargeable battery, and simple use. It is widely used in areas where explosion-proof is required or toxic gas leaks, like underground channels or the mining industry, to protect the workers’ lives and avoid damage to the relevant equipment.
Features
- Advanced MCU control with low power consumption
- Advanced integrated circuit technology, embedded microcomputer control
- Adjustable low and high alarm level
- Adjustable calibrating level
- High concentration protection
- Self-test for the single gas sensor
- Low battery indication
- Self-adjustment function
- Visual and audible alarm with vibration
- Advanced self-examination and self-renovation function
- Password management to avoid wrong operation
- Explosive proof housing
Technical Specifications
| Detecting Gas | Ammonia (NH3) |
| Sampling method | Diffusion type |
| Detecting Range | 0 ppm to 100 ppm |
| Alarm Type | Low & High alarm, Mutiple gas alarm, Sensor alarm, Battery low alarm, Prompt tone and Automatic shutdown alarm |
| Resolution | 0.1 ppm or 1 ppm |
| Low and High Alarm | 20 ppm and 50 ppm |
| Standby Time | > 10 h |
| Sensor life | 2 years |
| Accuracy | < 5 % F. S |
| Response time | < 30 S |
| Repeatability | 1 % |
| Zero drift | 1 % |
| Display | Alphanumeric large LCD displays the real time gas concentration and alarm stage |
| Backlight | Automatically activated when working in poor lighting environment or the alarm sounding, or the button is knobbed down |
| Self-checking Function | Self-checking Battery power, Display, Sensor and Hardware failure |
| Explosion-proof | EXiaIICT4 |
| Protection grade | IP65 |
| Power Supply | Rechargeable Lithium Battery |
| Pressure | 13.78 PSI to 15.95 PSI (0.95 Bar to 1.10 Bar) |
| Humidity | < 95 % Relative humidity (non-condensing) |
| Working Environment | – 4 °F to 122 °F (- 20 °C to 50 °C) |
| Dimensions | 4.49 in × 2.36 in × 1.02 in (11.4 cm x 6 cm x 2.6 cm) |
